Share-based Compensation - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Share-based compensation plan, number of shares of common stock reserved for issuance	29.7
Unrecognized compensation cost related to nonvested share-based compensation	$ 187.0
Nonvested share-based compensation, recognition period	1 year 4 months 24 days
Stock options, number of years to expire	10 years
Proceeds from stock option exercises	$ 328.0	$ 260.0	$ 248.0
RSUs vested, total fair value	$ 173.0	127.0	110.0
Stock Compensation Plan
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant	19.1
Stock Option
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Stock options exercised total intrinsic value	$ 269.0	$ 304.0	$ 242.0
Tax benefit realized from share-based compensation	50.0
Restricted Stock Units (RSUs)
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Tax benefit realized from share-based compensation	$ 34.0
Vesting percentage	100.00%
Vesting period	3 years

Adjustments to Additional Paid in Capital, Income Tax Benefit, Share-Based Compensation

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Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Performance Share Units [Line Items]

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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